Answer:

Step-by-step explanation:

I assume you are asking one of three things, so I will answer all of them.
if you are asking what is 1/2 of 312, then multiply 312 by 1/2. 312 is really just 312/1, so

we multiply fractions by multiplying straight across

if you were asking what part of 3 1/2 is 1/2 then we have to recognize what 3 1/2 is as an improper fraction. to do this, we convert 3 into halves. how many halves of pizza are there in 3 whole pizzas? 6. so we have 6 halves and one half, which is a total of 7 halves.

now, we do the same thing as the first problem

if you were asking what is half of 3.12, then we convert 1/2 to a decimal and multiply
<h2>Answer: Step-by-step explanation:
_____
Good evening ,
_______________ Rational numbers are_not__ natural numbers
But ,we can say:
natural numbers ARE Rational numbers. ___________________________________
:)</h2>
3*3+1/4*4^2
3*3+1/4*16
9+1/64
9.01562 I think is the answer
The student messed up on step one. The proper factoring is (x-4) (x+2)